<template>
    <div class="header">
        <div>头部 - 200行代码</div>
        <hm-btn></hm-btn>
        <de-test></de-test>
    </div>
  </template>
  
  <script>
  export default {
  
  }
  </script>
  
  <style>
  .header{
      width: 100%;
      height: 300px;
      margin: 20px;
      background-color: skyblue;
  }
  </style>